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package com.java.test;   
 
import org.w3c.dom.*;   
import javax.xml.parsers.*;   
import java.io.*;   
 
public class JavaReadXml {   
// Document¿ÉÒÔ¿´×÷ÊÇXMLÔÚÄÚ´æÖеÄÒ»¸ö¾µÏñ,ÄÇôһµ©»ñÈ¡Õâ¸öDocument ¾ÍÒâζ×Å¿ÉÒÔͨ¹ý¶Ô   
// ÄÚ´æµÄ²Ù×÷À´ÊµÏÖ¶ÔXMLµÄ²Ù×÷,Ê×ÏȵÚÒ»²½»ñÈ¡XMLÏà¹ØµÄDocument   
private Document doc = null;   
 
public void init(String xmlFile) throws Exception {   
// ºÜÃ÷ÏÔ¸ÃÀàÊÇÒ»¸öµ¥Àý,ÏÈ»ñÈ¡²úÉúDocumentBuilder¹¤³§   
// µÄ¹¤³§,ÔÚͨ¹ýÕâ¸ö¹¤³§²úÉúÒ»¸öDocumentBuilder,   
// DocumentBuilder¾ÍÊÇÓÃÀ´²úÉúDocumentµÄ   
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();   
DocumentBuilder db = dbf.newDocumentBuilder();   
// Õâ¸öDocument¾ÍÊÇÒ»¸öXMLÎļþÔÚÄÚ´æÖеľµÏñ   
doc = db.parse(new File(xmlFile));   
}   
 
// ¸Ã·½·¨¸ºÔð°ÑXMLÎļþµÄÄÚÈÝÏÔʾ³öÀ´   
public void viewXML(String xmlFile) throws Exception {   
this.init(xmlFile);   
// ÔÚxmlÎļþÀï,Ö»ÓÐÒ»¸ö¸ùÔªËØ,ÏȰѸùÔªËØÄóöÀ´¿´¿´   
Element element = doc.getDocumentElement();   
System.out.println("¸ùÔªËØΪ:" + element.getTagName());   
 
NodeList nodeList = doc.getElementsByTagName("person");   
System.out.println("book½ÚµãÁ´µÄ³¤¶È:" + nodeList.getLength());   
 
Node fatherNode = nodeList.item(0);   
System.out.println("¸¸½ÚµãΪ:" + fatherNode.getNodeName());   
 
// °Ñ¸¸½ÚµãµÄÊôÐÔÄóöÀ´   
NamedNodeMap attributes


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import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JFrame;
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